A transport vehicle for shipbuilding

Abstract

The present invention relates to the technical field of shipbuilding, and discloses a transport vehicle for shipbuilding, comprising a vehicle body, a crawler moving device, and a steering device; the crawler moving device, the steering device comprising an annular gear ring fixedly connected to the lower end of the vehicle body, a fixed column rotatably connected to the annular gear ring, a movable column slidably connected to the fixed column up and down, a rotary drive device for driving the annular gear ring to rotate, and a first telescopic drive device for driving the movable column to move up and down relative to the fixed column; an annular groove is provided on the inner side of the annular gear ring, and a flange is provided on the outer peripheral side of the fixed column to be clamped in the annular groove; the first telescopic drive device drives the movable column to descend, so that the bottom of the crawler track is separated from the bottom surface, and the rotary drive device drives the annular gear ring to rotate to realize the steering of the vehicle body. The transport vehicle for shipbuilding of the present invention can be turned 360 degrees on the spot, which is convenient for use at the shipbuilding site.

Description

Technical Field

[0001] The present invention relates to the technical field of shipbuilding, and in particular to a transport vehicle for shipbuilding. Background Art

[0002] The shipbuilding process requires the processing and assembly of a large number of components. Larger components are usually transported by welding hanging brackets on the components, lifting the components to the designated location, and then cutting the hanging brackets from the components. However, for smaller components, the welding and cutting of hanging brackets takes a lot of time. Therefore, lighter components are often transported by transport trucks.

[0003] Since large profiles to be assembled or processed are often stored on the ground in the ship assembly area, the space for transport vehicles to turn at the ship assembly site is limited. Existing transport vehicles are difficult to turn flexibly at the ship assembly site, resulting in low transportation efficiency. Summary of the Invention

[0004] The technical problem to be solved by the present invention is that the existing transport vehicles are difficult to flexibly turn at the ship assembly site and have low transportation efficiency.

[0005] In order to solve the above technical problems, the present invention provides a transport vehicle for shipbuilding, comprising a vehicle body, a crawler moving device, and a steering device;

[0006] The crawler moving device includes a left crawler assembly and a right crawler assembly, the body is arranged on the left crawler assembly and the right crawler assembly, the steering device is arranged between the left crawler assembly and the right crawler assembly, and the steering device is located below the body;

[0007] The steering device includes an annular gear ring, a fixed column, a movable column, a rotation drive device, and a first telescopic drive device; the upper surface of the annular gear ring is fixedly connected to the bottom of the vehicle body, and the annular gear ring is rotatably mounted on the upper end of the fixed column. The inner wall of the annular gear ring is provided with an annular groove, and the outer peripheral side of the fixed column is provided with a flange, and the flange is stuck in the annular groove; the movable column is slidable up and down and connected to the fixed column, one end of the first telescopic drive device is connected to the fixed column, and the other end of the first telescopic drive device is connected to the movable column; one end of the rotation drive device is connected to the fixed column, and the other end of the rotation drive device is transmission-connected to the annular gear ring to drive the annular gear ring to rotate.

[0008] As a preferred solution, a boss extending radially outward from the fixing column is provided at the lower end of the fixing column, and the rotation drive device and the first telescopic drive device are both fixed to the boss.

[0009] As a preferred solution, the lower end of the movable column is fixedly connected to a support seat, and the other end of the first telescopic driving device is connected to the support seat.

[0010] As a preferred solution, the fixed column is axially provided with a through hole, the upper end of the movable column is slidably inserted into the through hole, the inner side wall of the fixed column is axially provided with a anti-rotation groove, the outer side wall of the movable column is provided with a anti-rotation protrusion matching the anti-rotation groove, and the anti-rotation protrusion is slid up and down in the anti-rotation groove.

[0011] As a preferred solution, the annular gear ring is provided with external teeth, and the rotary drive device is connected with a gear meshing with the external teeth.

[0012] As a preferred solution, the crawler moving device also includes a front swing arm crawler mechanism and a rear swing arm crawler mechanism. The front swing arm crawler mechanism can be rotatably connected to the front end of the vehicle body, and the rear swing arm crawler mechanism can be rotatably connected to the rear end of the vehicle body.

[0013] As a preferred solution, a first rotating shaft is provided between the front end of the left crawler assembly and the front end of the right crawler assembly;

[0014] The front swing arm crawler mechanism includes a left front crawler assembly, a right front crawler assembly, a first connecting rod, and a second telescopic drive device; a second rotating shaft is provided between the front ends of the left front crawler assembly and the right front crawler assembly, one end of the first connecting rod is rotatably connected to the first rotating shaft, and the other end of the first connecting rod is rotatably connected to the second rotating shaft;

[0015] One end of the second telescopic driving device is arranged on the front side of the vehicle body, and the other end of the second telescopic driving device is connected to the second rotating shaft.

[0016] As a preferred solution, a third rotating shaft is provided between the rear end of the left crawler assembly and the rear end of the right crawler assembly;

[0017] The rear swing arm track mechanism includes a left rear track assembly, a right rear track assembly, a second connecting rod, and a third telescopic drive device; a fourth rotating shaft is provided between the rear ends of the left rear track assembly and the rear ends of the right rear track assembly, one end of the second connecting rod is rotatably connected to the third rotating shaft, and the other end of the second connecting rod is rotatably connected to the fourth rotating shaft; one end of the third telescopic drive device is provided on the rear side of the vehicle body, and the other end of the third telescopic drive device is connected to the fourth rotating shaft.

[0018] As a preferred solution, the shipbuilding transport vehicle further includes a controller, and the second telescopic drive device and the third telescopic drive device are both electrically connected to the controller.

[0019] The shipbuilding transport vehicle of the present invention has the following beneficial effects:

[0020] The shipbuilding transport vehicle of the present invention comprises a body, a crawler moving device, and a steering device; the crawler moving device comprises a left crawler assembly and a right crawler assembly, the steering device is arranged between the left crawler assembly and the right crawler assembly, and is located under the body, the crawler mechanism has high passability, and is convenient for the transport vehicle to operate in the workshop, the steering device comprises an annular gear ring, a fixed column, a movable column, a rotating drive device, and a first telescopic drive device; the upper surface of the annular gear ring is fixedly connected to the bottom of the body, the annular gear ring is rotatably sleeved on the upper end of the fixed column, the inner wall of the annular gear ring is provided with an annular groove, and the outer peripheral side of the fixed column is provided with a flange clamped in the annular groove; the movable column can slide up and down and is connected to the fixed column to prevent rotation, one end of the first telescopic drive device is connected to the fixed column, and the first telescopic drive device is The other end is connected to a movable column, one end of the rotary drive device is connected to the fixed column, and the other end of the rotary drive device is connected to the annular gear ring; when turning is required, the first telescopic drive device drives the movable column to move downward, so that the bottom of the crawler mechanism is separated from the ground, and the first telescopic drive device supports the entire vehicle and prevents rotation between the movable column and the fixed column. Then, the rotary drive device drives the outer teeth of the annular gear ring through the driving gear, so that the annular gear ring rotates relative to the fixed column, and the body set on the annular gear ring rotates with the annular gear ring to realize a 360° turning of the transport vehicle in place; when the transport vehicle needs to move, the first telescopic drive device drives the movable column to move upward, so that the bottom of the crawler mechanism contacts the ground, the lower end of the movable column is higher than the bottom surface of the crawler track, and the crawler track drives the body to move horizontally. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an axonometric view of a transport vehicle for shipbuilding according to an embodiment of the present invention;

[0022] Figure 2 This is a schematic diagram of a steering mechanism of a transport vehicle for shipbuilding according to an embodiment of the present invention;

[0023] Figure 3 This is an overall structural diagram of a transport vehicle for shipbuilding according to an embodiment of the present invention;

[0024] In the figure, 1. vehicle body; 2. crawler moving device; 21. translation crawler mechanism; 211. left crawler assembly; 2111. left front sprocket; 2112. left rear sprocket; 2113. left crawler; 212. right crawler assembly; 2121. right front sprocket; 2122. right rear sprocket; 2123. right crawler; 22. front swing arm crawler mechanism; 221. first connecting rod; 222. left front crawler assembly; 2221. first sprocket; 2222. second sprocket; 2223. first crawler; 223. right front crawler assembly; 2231. fourth sprocket; 2232. third sprocket; 2233. second crawler; 224 , second telescopic drive device; 23, rear swing arm track mechanism; 231, second connecting rod; 232, left rear track assembly; 233, right rear track assembly; 234, third telescopic drive device; 24, first rotating shaft; 25, second rotating shaft; 26, third rotating shaft; 27, fourth connecting rod; 28, fifth connecting rod; 3, steering device; 31, annular ring gear; 311, annular groove; 32, fixed column; 321, flange; 322, boss; 323, anti-rotation groove; 33, movable column; 331, support seat; 332, anti-rotation protrusion; 34, rotating drive device; 341, gear; 35, first telescopic drive device. DETAILED DESCRIPTION

[0025] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms. These terms are only used to distinguish information of the same type from each other. For example, without departing from the scope of the present invention, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information.

[0027] like Figures 1 to 3As shown, the present invention is a transport vehicle for shipbuilding, comprising a vehicle body 1, a crawler moving device 2, and a steering device 3; the crawler moving device 2 comprises a translation crawler mechanism 21, the vehicle body 1 is arranged on the translation crawler mechanism 21, the translation crawler mechanism 21 comprises a left crawler assembly 211 and a right crawler assembly 212, the steering device 3 is arranged between the left crawler assembly 211 and the right crawler assembly 212 and is located below the vehicle body 1; the steering device 3 comprises an annular gear ring 31, a fixed column 32, a movable column 33, a rotation drive device 34, and a first telescopic drive device 35; the upper end surface of the annular gear ring 31 is fixedly connected to the bottom of the vehicle body 1, and the annular gear ring The cam 31 is rotatably sleeved on the upper end of the fixed column 32. The inner wall of the annular gear ring 31 is provided with an annular groove 311. The fixed column 32 is provided with a flange 321 matching the annular groove 311 at a position opposite to the annular groove 311, and the flange 321 is stuck in the groove 311; the movable column 33 is connected to the fixed column 32 in a sliding manner up and down, one end of the first telescopic drive device 35 is connected to the fixed column 32, and the other end of the first telescopic drive device 35 is connected to the movable column 33; one end of the rotation drive device 34 is connected to the fixed column 32, and the other end of the rotation drive device 34 is transmission-connected to the annular gear ring 31 to drive the annular gear ring 31 to rotate.

[0028] Specifically, when turning is required, the first telescopic drive device 35 drives the movable column 33 to move downward, so that the bottom of the translation track mechanism 21 is out of contact with the ground. The first telescopic drive device 35 supports the entire vehicle and prevents the movable column 33 from rotating relative to the fixed column. Then, the rotation drive device 34 drives the outer teeth of the annular ring gear 31 through the driving gear 341, so that the annular ring gear 31 rotates relative to the fixed column 32, and the body set on the annular ring gear 31 rotates together with the annular ring gear 31, realizing a 360° in-situ turning of the transport vehicle; when the transport vehicle needs to move, the first telescopic drive device 35 drives the movable column 33 to move upward, so that the bottom of the translation track mechanism 21 is in contact with the ground, and the bottom surface of the movable column 33 remains above the bottom surface of the translation track mechanism 21, and the translation track mechanism 21 can drive the body 1 to move horizontally.

[0029] Among them, there are many ways to set the rotating drive device 34 and the first telescopic drive device 35 on the fixed column 32. In this embodiment, the lower end of the fixed column 32 is provided with a boss 322 extending radially outward along the fixed column 32, and the rotating drive device 34 and the first telescopic drive device 35 are both fixedly set on the boss 322.

[0030] In this embodiment, in order to increase the friction between the movable column 33 and the ground when the movable column 33 contacts the ground and ensure the stability of the vehicle body 1 during the rotation process, a support seat 331 is fixedly connected to the lower end of the movable column 33, and the other end of the telescopic drive device 35 is connected to the support seat 331. Furthermore, a rubber pad is provided at the bottom of the support seat 331 to further increase the friction between the support seat 331 and the ground.

[0031] Among them, there are many ways to connect the movable column 33 to the fixed column 32 so that it can slide up and down. In this embodiment, the upper end of the movable column 33 is slidably inserted into the fixed column 32, and the inner wall of the fixed column 32 is provided with a stop groove 323 extending in the up and down directions, and the outer wall of the movable column 33 is provided with a stop protrusion 332 matching the stop groove 323, and the stop protrusion 332 is slid up and down in the stop groove 323.

[0032] In this embodiment, the annular gear ring 31 is provided with external teeth, and the rotation driving device 34 is connected to a gear 341 for meshing with the external teeth of the annular gear ring.

[0033] In this embodiment, the crawler track mechanism 2 further includes a front swing arm crawler mechanism 22 and a rear swing arm crawler mechanism 23. The front swing arm crawler mechanism 22 is rotatably connected to the front end of the vehicle body 1, while the rear swing arm crawler mechanism 23 is rotatably connected to the rear end of the vehicle body 1. The arrangement of the front and rear swing arm crawler mechanisms 22, 23 allows the vehicle body 1 to have an adjustable passing angle. When the ground is slippery, adjusting the front and rear swing arm crawler mechanisms 22, 23 to a position parallel to the translational crawler mechanism 21 can further improve the grip between the vehicle body and the ground.

[0034] Specifically, a first rotating shaft 24 is provided between the front ends of the left track assembly 211 and the right track assembly 212. The front swing arm track mechanism 22 includes a left front track assembly 222, a right front track assembly 223, a first connecting rod 221, and a second telescopic drive device 224. A second rotating shaft 25 is provided between the front ends of the left front track assembly 222 and the right front track assembly 223. One end of the first connecting rod 221 is rotatably connected to the first rotating shaft 24, and the other end of the first connecting rod 221 is connected to the second rotating shaft 25. One end of the second telescopic drive device 224 is disposed at the upper portion of the front side of the vehicle body 1, and the other end of the second telescopic drive device 224 is connected to the second rotating shaft 25. The provision of the first connecting rod 221 enables the front swing arm track mechanism 22 to rotate as a whole about the first rotating shaft 24, thereby adjusting the angle between the front swing arm track mechanism 22 and the ground while ensuring the stability of the connection between the front swing arm track mechanism 22 and the vehicle body. In this embodiment, multiple first connecting rods 221 are provided along the second rotating shaft 25.

[0035] Among them, the left track assembly 211 includes a left front sprocket 2111 and a left rear sprocket 2112 arranged at intervals in the front and rear directions, and a left crawler 2113 cooperated with the left front sprocket 2111 and the left rear sprocket 2112; the structure of the right crawler assembly 212 is the same as that of the left track assembly 211; the first rotating shaft 24 is arranged between the left front sprocket 2111 and the right front sprocket 2121; the left front crawler assembly 222 includes a first sprocket 2221 arranged on the left side of the second rotating shaft 25, a second sprocket 2222 arranged on the left side of the first rotating shaft 24, and a first crawler 2223 cooperated with the first sprocket 2221 and the second sprocket 2222; the right front crawler assembly 223 includes a third sprocket 2232 arranged on the right side of the first rotating shaft 24, a fourth sprocket 2231 arranged on the right side of the second rotating shaft 25, and a second crawler 2233 cooperated with the third sprocket 2232 and the fourth sprocket 2231;

[0036] like Figure 3 As shown, a fifth rotating shaft 28 arranged parallel to the first rotating shaft 24 is provided above the front side of the vehicle body 1, one end of the second telescopic driving device 224 is rotatably connected to the second rotating shaft 25, and the other end of the second telescopic driving device 224 is rotatably connected to the fifth rotating shaft 28.

[0037] In this embodiment, a third rotating shaft 26 is provided between the rear end of the left track assembly 211 and the rear end of the right track assembly 212; the rear swing arm track mechanism 23 includes a left rear track assembly 232, a right rear track assembly 233, a second connecting rod 231, and a third telescopic drive device 234; a fourth rotating shaft 27 is provided between the rear end of the left rear track assembly 232 and the rear end of the right rear track assembly 233, one end of the second connecting rod 231 is rotatably connected to the third rotating shaft 27, and the other end of the second connecting rod 231 is connected to the fourth rotating shaft 27; one end of the third telescopic drive device 234 is arranged at the upper part of the rear side of the vehicle body 1, and the other end of the third telescopic drive device 234 is connected to the fourth rotating shaft 27.

[0038] In this embodiment, the shipbuilding transport vehicle further includes a controller, and the second telescopic drive device 224 and the third telescopic drive device 234 are both electrically connected to the controller.

[0039] In this embodiment, a storage box is provided on the vehicle body 1, and a cover is provided on the top of the storage box. When transporting parts, the cover is placed on the storage box to prevent the parts from sliding due to bumps.

[0040] Furthermore, a plurality of partitions are provided in the storage box, and the storage box is divided into storage spaces of different sizes by the partitions, so as to facilitate the placement of parts to be transported of different sizes.

[0041] In this embodiment, a multi-axis mechanical part is further provided on the vehicle body, and a clamping claw is provided on the multi-axis mechanical arm.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principles of the present invention. These improvements and substitutions should also be regarded as the scope of protection of the present invention.

Claims

1. A transport vehicle for shipbuilding, characterized in that: It comprises a vehicle body (1), a crawler moving device (2), and a steering device (3); The crawler moving device (2) comprises a left crawler assembly (211) and a right crawler assembly (212); the vehicle body (1) is arranged on the left crawler assembly (211) and the right crawler assembly (212); the steering device (3) is arranged between the left crawler assembly (211) and the right crawler assembly (212); and the steering device (3) is located below the vehicle body (1); The steering device (3) comprises an annular gear ring (31), a fixed column (32), a movable column (33), a rotation drive device (34), and a first telescopic drive device (35); the upper surface of the annular gear ring (31) is fixedly connected to the bottom of the vehicle body (1), the annular gear ring (31) is rotatably sleeved on the upper end of the fixed column (32), the inner wall of the annular gear ring (31) is provided with an annular groove (311), the outer peripheral side of the fixed column (32) is provided with a flange (321), and the flange (321) The movable column (33) is connected to the fixed column (32) so as to slide up and down, one end of the first telescopic driving device (35) is connected to the fixed column (32), and the other end of the first telescopic driving device (35) is connected to the movable column (33); one end of the rotation driving device (34) is connected to the fixed column (32), and the other end of the rotation driving device (34) is connected to the annular gear ring (31) to drive the annular gear ring (31) to rotate; The lower end of the fixed column (32) is provided with a boss (322) extending radially outward from the fixed column (32), and the rotation drive device (34) and the first telescopic drive device (35) are both fixed to the boss (322); The lower end of the movable column (33) is fixedly connected to a support seat (331), and the other end of the first telescopic driving device (35) is connected to the support seat (331); The first telescopic drive device (35) supports the entire vehicle and prevents the movable column (33) and the fixed column (32) from rotating. The annular gear ring (31) is provided with external teeth, and the rotary drive device (34) is connected with a gear (341) that meshes with the external teeth.

2. The shipbuilding transport vehicle according to claim 1, wherein: The fixed column (32) is axially provided with a through hole, the upper end of the movable column (33) is slidably inserted into the through hole, the inner side wall of the fixed column (32) is axially provided with a rotation-stop groove (323), the outer side wall of the movable column (33) is provided with a rotation-stop protrusion (332) matching the rotation-stop groove (323), and the rotation-stop protrusion (332) is slidably provided in the rotation-stop groove (323) up and down.

3. The shipbuilding transport vehicle according to any one of claims 1 to 2, characterized in that: The crawler moving device (2) further comprises a front swing arm crawler mechanism (22) and a rear swing arm crawler mechanism (23); the front swing arm crawler mechanism (22) is connected to the front end of the vehicle body (1) in a manner that allows it to rotate up and down, and the rear swing arm crawler mechanism (23) is connected to the rear end of the vehicle body (1) in a manner that allows it to rotate up and down.

4. The shipbuilding transport vehicle according to claim 3, wherein: A first rotating shaft (24) is provided between the front end of the left crawler assembly (211) and the front end of the right crawler assembly (212); The front swing arm crawler mechanism (22) comprises a left front crawler assembly (222), a right front crawler assembly (223), a first connecting rod (221), and a second telescopic drive device (224); a second rotating shaft (25) is provided between the front end of the left front crawler assembly (222) and the front end of the right front crawler assembly (223); one end of the first connecting rod (221) is rotatably connected to the first rotating shaft (24), and the other end of the first connecting rod (221) is rotatably connected to the second rotating shaft (25); One end of the second telescopic drive device (224) is arranged on the front side of the vehicle body (1), and the other end of the second telescopic drive device (224) is connected to the second rotating shaft (25).

5. The shipbuilding transport vehicle according to claim 4, wherein: A third rotating shaft (26) is provided between the rear end of the left crawler assembly (211) and the rear end of the right crawler assembly (212); The rear swing arm crawler mechanism (23) comprises a left rear crawler assembly (232), a right rear crawler assembly (233), a second connecting rod (231), and a third telescopic drive device (234); a fourth rotating shaft (27) is provided between the rear end of the left rear crawler assembly (232) and the rear end of the right rear crawler assembly (233); one end of the second connecting rod (231) is rotatably connected to the third rotating shaft (26), and the other end of the second connecting rod (231) is rotatably connected to the fourth rotating shaft (27); one end of the third telescopic drive device (234) is provided at the rear side of the vehicle body (1), and the other end of the third telescopic drive device (234) is connected to the fourth rotating shaft (27).

6. The shipbuilding transport vehicle according to claim 5, characterized in that: The shipbuilding transport vehicle further comprises a controller, and the second telescopic drive device (224) and the third telescopic drive device (234) are both electrically connected to the controller.

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